Infernal Affairs Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Chan Wing Yan a young police officer has been sent undercover as a mole in the local mafia. Lau Kin Ming a young mafia member infiltrates the police force. Years later their older counterparts Chen Wing Yan and Inspector Lau Kin Ming respectively race against time to expose the mole within their midst. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : On, wai, Nam, Keung, Keung, So Wai, Cheung, Berg Ng, Wan Chi, Lee Tin, Tony Ho, Andy Lau, Shawn Yue, Chapman To, Eric Tsang .